| rosat all sky survey | RASS | 96 | 5 | 2.003009 | 9902067,9902277,etc |
| kolmogorov smirnov | K-S | 8 | 5 | 1.000091 | 9902230,9902239,etc |
| wolf rayet | WR | 34 | 4 | 2.002488 | 9902281,9902206,etc |
| synchrotron self compton | SSC | 32 | 4 | 2.001018 | 9902008,9902029,etc |
| phoswich detector system | PDS | 35 | 4 | 1.000529 | 9902224,9902022,etc |
| low surface brightness | LSB | 30 | 3 | 2.001049 | 9902249,9902171,etc |
| particle mesh | PM | 9 | 3 | 1.000178 | 9902125,9902215,etc |
| proportional counter array | PCA | 8 | 3 | 1.000217 | 9902383,9902319,etc |
| gamma ray burst monitor | GRBM | 14 | 3 | 1.001575 | 9902013,9902096,etc |
| all sky monitor | ASM | 22 | 3 | 1.001266 | 9902008,9902319,etc |
| low energy concentrator spectrometer | LECS | 80 | 3 | 2.002744 | 9902224,9902329,etc |
| friedmann robertson walker | FRW | 28 | 3 | 1.002099 | 9902337,9902338,etc |
| power density spectrum | PDS | 16 | 3 | 2.000795 | 9902212,9902221,etc |